feat: major feature updates and cleanup

- Add Redis architecture implementation
- Update browser extension functionality
- Clean up deprecated files and documentation
- Enhance backend handlers for auth, messages, search
- Add new configuration options and settings
- Update Docker and deployment configurations

docker-compose.redis.yml

@@ -0,0 +1,166 @@
+# Docker Compose Override for Redis Support
+# 
+# This file extends the base docker-compose.yml with Redis services.
+# 
+# Usage:
+#   docker-compose -f docker-compose.yml -f docker-compose.redis.yml up -d
+#
+# Or merge into your main docker-compose.yml
+
+version: '3.8'
+
+services:
+  # Redis service for caching, sessions, and rate limiting
+  redis:
+    image: redis:7-alpine
+    container_name: trackeep-redis
+    restart: unless-stopped
+    volumes:
+      - redis_data:/data
+      - ./redis.conf:/usr/local/etc/redis/redis.conf:ro
+    command: >
+      sh -c "redis-server /usr/local/etc/redis/redis.conf
+      --requirepass $${REDIS_PASSWORD:-changeme}"
+    environment:
+      - REDIS_PASSWORD=${REDIS_PASSWORD:-changeme}
+    networks:
+      - trackeep-network
+    healthcheck:
+      test: ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD:-changeme}", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+    # Security: Only expose to internal network, not external
+    # ports:
+    #   - "127.0.0.1:6379:6379"  # Uncomment for local debugging only
+    labels:
+      - "traefik.enable=false"
+    deploy:
+      resources:
+        limits:
+          memory: 512M
+        reservations:
+          memory: 128M
+
+  # Backend service with Redis environment variables
+  trackeep-backend:
+    environment:
+      # Redis Configuration
+      - REDIS_ADDR=${REDIS_ADDR:-redis:6379}
+      - REDIS_PASSWORD=${REDIS_PASSWORD}
+      - REDIS_DB=${REDIS_DB:-0}
+      - REDIS_POOL_SIZE=${REDIS_POOL_SIZE:-20}
+      - REDIS_DIAL_TIMEOUT=${REDIS_DIAL_TIMEOUT:-5s}
+      - REDIS_READ_TIMEOUT=${REDIS_READ_TIMEOUT:-3s}
+      - REDIS_WRITE_TIMEOUT=${REDIS_WRITE_TIMEOUT:-3s}
+      # Feature Flags
+      - REDIS_SESSIONS_ENABLED=${REDIS_SESSIONS_ENABLED:-true}
+      - REDIS_CACHE_ENABLED=${REDIS_CACHE_ENABLED:-true}
+      - REDIS_RATELIMIT_ENABLED=${REDIS_RATELIMIT_ENABLED:-true}
+      - REDIS_PUBSUB_ENABLED=${REDIS_PUBSUB_ENABLED:-true}
+    depends_on:
+      redis:
+        condition: service_healthy
+      postgres:
+        condition: service_healthy
+
+  # Redis Commander - Optional Redis management UI
+  # Uncomment to enable web-based Redis management at http://localhost:8081
+  # redis-commander:
+  #   image: rediscommander/redis-commander:latest
+  #   container_name: trackeep-redis-commander
+  #   restart: unless-stopped
+  #   environment:
+  #     - REDIS_HOST=redis
+  #     - REDIS_PORT=6379
+  #     - REDIS_PASSWORD=${REDIS_PASSWORD}
+  #   ports:
+  #     - "127.0.0.1:8081:8081"
+  #   networks:
+  #     - trackeep-network
+  #   depends_on:
+  #     - redis
+
+volumes:
+  # Redis persistent data volume
+  redis_data:
+    driver: local
+
+networks:
+  trackeep-network:
+    driver: bridge
+
+# =============================================================================
+# REDIS SENTINEL CONFIGURATION (For High Availability)
+# =============================================================================
+# Uncomment this section and comment out the single Redis instance above
+# to enable Redis Sentinel for automatic failover
+#
+# services:
+#   redis-master:
+#     image: redis:7-alpine
+#     container_name: trackeep-redis-master
+#     volumes:
+#       - redis_master_data:/data
+#     command: >
+#       sh -c "redis-server
+#       --appendonly yes
+#       --maxmemory 256mb
+#       --maxmemory-policy allkeys-lru
+#       --requirepass $${REDIS_PASSWORD}"
+#     networks:
+#       - trackeep-network
+#
+#   redis-replica-1:
+#     image: redis:7-alpine
+#     container_name: trackeep-redis-replica-1
+#     volumes:
+#       - redis_replica1_data:/data
+#     command: >
+#       sh -c "redis-server
+#       --appendonly yes
+#       --replicaof redis-master 6379
+#       --masterauth $${REDIS_PASSWORD}
+#       --requirepass $${REDIS_PASSWORD}"
+#     networks:
+#       - trackeep-network
+#     depends_on:
+#       - redis-master
+#
+#   redis-replica-2:
+#     image: redis:7-alpine
+#     container_name: trackeep-redis-replica-2
+#     volumes:
+#       - redis_replica2_data:/data
+#     command: >
+#       sh -c "redis-server
+#       --appendonly yes
+#       --replicaof redis-master 6379
+#       --masterauth $${REDIS_PASSWORD}
+#       --requirepass $${REDIS_PASSWORD}"
+#     networks:
+#       - trackeep-network
+#     depends_on:
+#       - redis-master
+#
+#   redis-sentinel-1:
+#     image: redis:7-alpine
+#     container_name: trackeep-sentinel-1
+#     command: >
+#       sh -c "echo 'sentinel monitor mymaster redis-master 6379 2' > /etc/sentinel.conf &&
+#              echo 'sentinel auth-pass mymaster $${REDIS_PASSWORD}' >> /etc/sentinel.conf &&
+#              echo 'sentinel down-after-milliseconds mymaster 5000' >> /etc/sentinel.conf &&
+#              echo 'sentinel failover-timeout mymaster 60000' >> /etc/sentinel.conf &&
+#              redis-sentinel /etc/sentinel.conf"
+#     networks:
+#       - trackeep-network
+#     depends_on:
+#       - redis-master
+#       - redis-replica-1
+#       - redis-replica-2
+#
+# volumes:
+#   redis_master_data:
+#   redis_replica1_data:
+#   redis_replica2_data: